Diaphragm for electroacoustic transducer

Details Diaphragm for electroacoustic transducer Diaphragm for electroacoustic transducer

1985-07-18

1988-06-28

Bell, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

181169, 428408, 523440, 523466, 523468, C08K 910

Patent

active

047539690

ABSTRACT:
A diaphragm for an electroacoustic transducer comprising stratiform mineral of layers into which a hardener or an agent for facilitating hardening is adsorbed between the layers, thermosetting resin monomer, and carbonfibers which constitute a composite material which is formed under heat and pressure. The diaphragm is increased in rigidity which is required as physical properties therefor and is easy in forming.

REFERENCES:
patent: 4443567 (1984-04-01), Sternisa et al.
patent: 4552243 (1985-11-01), Melillo et al.
patent: 4626466 (1986-12-01), Schmidt et al.

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